GCF and LCM Calculator Logo

What is the Least Common Multiple of 7827 and 7842?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 7827 and 7842 is 20459778.

LCM(7827,7842) = 20459778

LCM Calculator and
and

Least Common Multiple of 7827 and 7842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7827 and 7842, than apply into the LCM equation.

GCF(7827,7842) = 3
LCM(7827,7842) = ( 7827 × 7842) / 3
LCM(7827,7842) = 61379334 / 3
LCM(7827,7842) = 20459778

Least Common Multiple (LCM) of 7827 and 7842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7827 and 7842. First we will calculate the prime factors of 7827 and 7842.

Prime Factorization of 7827

Prime factors of 7827 are 3, 2609. Prime factorization of 7827 in exponential form is:

7827 = 31 × 26091

Prime Factorization of 7842

Prime factors of 7842 are 2, 3, 1307. Prime factorization of 7842 in exponential form is:

7842 = 21 × 31 × 13071

Now multiplying the highest exponent prime factors to calculate the LCM of 7827 and 7842.

LCM(7827,7842) = 31 × 26091 × 21 × 13071
LCM(7827,7842) = 20459778